Ruben's Link Clicks

<!DOCTYPE html>
<html lang="en" dir="ltr">
<head>
<meta charset="utf-8">
<title>Find Clicks</title>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.6/jquery.min.js"></script>
</head>
<body>
<a class="track" href="http://www.rbns.co.cc/" target="_blank">RBNS</a>
<script>
$(document).ready(function() {
    $(".track").click(function() {
        $.get('tracking_file.php?link='+$(this).attr('href'));
    });
});
</script>
</body>
</html>

<?php
if (isset($_GET['link']) && !empty($_GET['link'])) {
$mysql = mysql_connect('localhost','user','pass');
mysql_select_db('dbname');
$query = 'UPDATE table_name SET clicks = clicks + 1 WHERE link = '.$_GET['link'];
// OR
$query = 'INSERT INTO table_name (link,clicks) VALUES ("'.$_GET['link'].'",1) ON DUPLICATE KEY UPDATE clicks=clicks+1';
mysql_query($query) or die(mysql_error());
mysql_close($mysql);
}
?>